Combine PDF Files Online for Free
Our online PDF combiner is the fastest way to join multiple documents into one. Perfect for combining chapters, assembling application packages, or archiving related files. Completely free, completely private.
Drop your PDF files here
Select multiple PDFs to merge them into one
Max 100 MB per file • Up to 20 files
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Why Use This Tool?
How to Combine PDF Files Online for Free
Upload PDFs
Drag and drop or click to select the PDF files you want to combine.
Arrange Order
Reorder your files using the drag handles. The first file will be the first pages in the output.
Merge & Download
Click 'Merge' and download your combined PDF instantly.
Frequently Asked Questions
No. There is no account, no login, and no email required. Just upload, merge, and download.
No hard limit. The practical limit is your device's available memory. Files up to 100 MB each work reliably on modern browsers.
Very secure. The merge runs entirely in your browser — nothing is sent to any server. Your files are private by design.
Yes — up to 20 at a time. For very large batches, combine in groups of 20 and then merge the resulting files.
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